Home Security Slide Stainless Steel Door Chain Bolt Lock Package Content: 1 x Door Chain; Product Name: Door Chain Material: Stainless Steel; Main Color: Silver Tone Chain Size: 19x1.3cm/7.5"x0.51"(L*W); Bore Hole Dia.: 4mm/0.16" Total Length: 30cm/1.2" Weight: 68g